/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/ClusterUnionManager.h
Performs the queued child to parent modifications.
void HandleUpdateChildToParentOperation ( [FClusterUnionIndex](API\Runtime\Chaos\Chaos\FClusterUnionIndex) ClusterIndex, const [TArray](API\Runtime\Core\Containers\TArray)< [FPBDRigidParticleHandle](API\Runtime\Chaos\Chaos\FPBDRigidParticleHandle) * > & Particles )